RAM 2500 2022 — technical service bulletin
Bulletin 1803522REVA · NHTSA communication 10227761 · issued Oct 27, 2022
Technical service bulletin
communication type
Power Train
component
2022
model years
4
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience one or more of the following: Customer may complain of slow PTO idle ramp up. Message will appear "Hot Oil" and exit high idle or PTO mode, when in high idle or PTO mode and running between 10-30 minutes (no load). High frequency exhaust noise at idle after cold start.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.